网络配置文件：/etc/sysconfig/network-scripts/ifcfg-eth0

DNS配置文件：/etc/tesolve.conf

用户信息：/ect/passwd

用户密码：/etc/shadow

组配置文件: /etc/group .

配置yum  :删除/etc/yum.repos.d/rhel-source.repo,自己写/etc/yum.repos.ddhcpd.conf.sample

dhcp配置文件路径:  /etc/dhcp/dhcpd.conf

服务的启停脚本文件: /etc/rc.d/init.d/

日志服务配置文件:   /etc/rsyslog.conf

dhcp的配置文件: /etc/dhcp/dhcpd.conf

设定Linux的运行等级: /etc/inittab

关闭linux防火墙: /etc/selinux/config--将selinux 由enforcing 改为disabled.

启动内核模块: /etc/modules.conf